?????? ???????? ???????? ????? ???? ????? ????? ?? ???? ?? ???????? ? ??????? ???????? . ????? ??? ?????? ?? ??? compressive ???????? . ??????? ?? ????? ?????? ????? {???? ? ?????? . ????? ????? ??????? ??????? ???? ????? ??????? ??????? ???? ???? ?? ???? ??????. ????? ????? ?????, ??? ????? ????? ????? ?????. ???? ????????? ?????????? ????